发文地区与机构
近年国家 / 地区发文量统计
| 国家 / 地区 | 发文量 |
|---|---|
| USA | 14 |
| England | 2 |
| TRINIDAD & TOBAGO | 2 |
| Australia | 1 |
| Colombia | 1 |
| GERMANY (FED REP GER) | 1 |
| Netherlands | 1 |
| SAINT LUCIA | 1 |
| Venezuela | 1 |
| Wales | 1 |
近年机构发文量统计
| 机构 | 发文量 |
|---|---|
| TEXAS A&M UNIVERSITY SYSTEM | 2 |
| UNITED STATES DEPARTMENT OF AGRICULTURE... | 2 |
| UNIV WEST INDIES | 2 |
| UNIVERSITY OF ALABAMA SYSTEM | 2 |
| UNIVERSITY OF PUERTO RICO | 2 |
| 1610 GEN OGDEN ST | 1 |
| AMER BIRD CONSERVANCY | 1 |
| CALIFORNIA ACADEMY OF SCIENCES | 1 |
| CEDAR LODGE | 1 |
| DEPT FORESTRY & WILDLIFE ECOL | 1 |